64823887016 has 32 divisors (see below), whose sum is σ = 139104336000. Its totient is φ = 27742464576.

The previous prime is 64823887001. The next prime is 64823887031. The reversal of 64823887016 is 61078832846.

It is an interprime number because it is at equal distance from previous prime (64823887001) and next prime (64823887031).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776636 + ... + 856043.

It is an arithmetic number, because the mean of its divisors is an integer number (4347010500).

Almost surely, 2^64823887016 is an apocalyptic number.

It is an amenable number.

64823887016 is an abundant number, since it is smaller than the sum of its proper divisors (74280448984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64823887016 is a wasteful number, since it uses less digits than its factorization.

64823887016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633401 (or 1633397 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 64823887016 in words is "sixty-four billion, eight hundred twenty-three million, eight hundred eighty-seven thousand, sixteen".